Periodic lattice distortions as a result of lattice mismatch in epitaxial films of two-dimensional materials

概要

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Epilayers of transition metal dichalcogenides (TMDs) with two-dimensional structures can be grown with molecular beam epitaxy onto other TMDs substrates without regard to lattice matching. Although there is no strong bonding between the epilayer and the substrate, the van der Waals interaction between the two hexagonally closet packed lattices results in a periodic distortion which, due to electronic effects, is prominently imaged with the scanning tunneling microscope.
American Institute of Physicsの論文